Removed old cruft code from the cube mesh generator plugin.
Removed old cruft code from the cube mesh generator plugin.

engijs/engi,vizorvr/patches,vizorvr/vizor,engijs/engi,beni55/engi,vizorvr/patches,vizorvr/patches,vizorvr/vizor,vizorvr/vizor-create,vizorvr/vizor-create,beni55/engi,vizorvr/patches,vizorvr/vizor-create,engijs/engi,vizorvr/vizor,vizorvr/patches,beni55/engi